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Location: cpp/openttd-patchpack/source/src/ai/api/ai_town.cpp - annotation
r14363:db29028f5824
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(svn r18930) -Fix: [NoAI] Autoreplace is also valid for the default group.
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/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file ai_town.cpp Implementation of AITown. */
#include "ai_town.hpp"
#include "ai_map.hpp"
#include "ai_cargo.hpp"
#include "ai_error.hpp"
#include "../../town.h"
#include "../../strings_func.h"
#include "../../company_func.h"
#include "../../station_base.h"
#include "table/strings.h"
/* static */ int32 AITown::GetTownCount()
{
return (int32)::Town::GetNumItems();
}
/* static */ bool AITown::IsValidTown(TownID town_id)
{
return ::Town::IsValidID(town_id);
}
/* static */ char *AITown::GetName(TownID town_id)
{
if (!IsValidTown(town_id)) return NULL;
static const int len = 64;
char *town_name = MallocT<char>(len);
::SetDParam(0, town_id);
::GetString(town_name, STR_TOWN_NAME, &town_name[len - 1]);
return town_name;
}
/* static */ int32 AITown::GetPopulation(TownID town_id)
{
if (!IsValidTown(town_id)) return -1;
const Town *t = ::Town::Get(town_id);
return t->population;
}
/* static */ int32 AITown::GetHouseCount(TownID town_id)
{
if (!IsValidTown(town_id)) return -1;
const Town *t = ::Town::Get(town_id);
return t->num_houses;
}
/* static */ TileIndex AITown::GetLocation(TownID town_id)
{
if (!IsValidTown(town_id)) return INVALID_TILE;
const Town *t = ::Town::Get(town_id);
return t->xy;
}
/* static */ int32 AITown::GetLastMonthProduction(TownID town_id, CargoID cargo_id)
{
if (!IsValidTown(town_id)) return -1;
if (!AICargo::IsValidCargo(cargo_id)) return -1;
const Town *t = ::Town::Get(town_id);
switch (AICargo::GetTownEffect(cargo_id)) {
case AICargo::TE_PASSENGERS: return t->max_pass;
case AICargo::TE_MAIL: return t->max_mail;
default: return -1;
}
}
/* static */ int32 AITown::GetLastMonthTransported(TownID town_id, CargoID cargo_id)
{
if (!IsValidTown(town_id)) return -1;
if (!AICargo::IsValidCargo(cargo_id)) return -1;
const Town *t = ::Town::Get(town_id);
switch (AICargo::GetTownEffect(cargo_id)) {
case AICargo::TE_PASSENGERS: return t->act_pass;
case AICargo::TE_MAIL: return t->act_mail;
default: return -1;
}
}
/* static */ int32 AITown::GetLastMonthTransportedPercentage(TownID town_id, CargoID cargo_id)
{
if (!IsValidTown(town_id)) return -1;
if (!AICargo::IsValidCargo(cargo_id)) return -1;
const Town *t = ::Town::Get(town_id);
switch (AICargo::GetTownEffect(cargo_id)) {
case AICargo::TE_PASSENGERS: return ::ToPercent8(t->pct_pass_transported);
case AICargo::TE_MAIL: return ::ToPercent8(t->pct_mail_transported);
default: return -1;
}
}
/* static */ int32 AITown::GetDistanceManhattanToTile(TownID town_id, TileIndex tile)
{
return AIMap::DistanceManhattan(tile, GetLocation(town_id));
}
/* static */ int32 AITown::GetDistanceSquareToTile(TownID town_id, TileIndex tile)
{
return AIMap::DistanceSquare(tile, GetLocation(town_id));
}
/* static */ bool AITown::IsWithinTownInfluence(TownID town_id, TileIndex tile)
{
if (!IsValidTown(town_id)) return false;
const Town *t = ::Town::Get(town_id);
return ((uint32)GetDistanceSquareToTile(town_id, tile) <= t->squared_town_zone_radius[0]);
}
/* static */ bool AITown::HasStatue(TownID town_id)
{
if (!IsValidTown(town_id)) return false;
return ::HasBit(::Town::Get(town_id)->statues, _current_company);
}
/* static */ int AITown::GetRoadReworkDuration(TownID town_id)
{
if (!IsValidTown(town_id)) return -1;
return ::Town::Get(town_id)->road_build_months;
}
/* static */ AICompany::CompanyID AITown::GetExclusiveRightsCompany(TownID town_id)
{
if (!IsValidTown(town_id)) return AICompany::COMPANY_INVALID;
return (AICompany::CompanyID)(int8)::Town::Get(town_id)->exclusivity;
}
/* static */ int32 AITown::GetExclusiveRightsDuration(TownID town_id)
{
if (!IsValidTown(town_id)) return -1;
return ::Town::Get(town_id)->exclusive_counter;
}
/* static */ bool AITown::IsActionAvailable(TownID town_id, TownAction town_action)
{
if (!IsValidTown(town_id)) return false;
return HasBit(::GetMaskOfTownActions(NULL, _current_company, ::Town::Get(town_id)), town_action);
}
/* static */ bool AITown::PerformTownAction(TownID town_id, TownAction town_action)
{
EnforcePrecondition(false, IsValidTown(town_id));
EnforcePrecondition(false, IsActionAvailable(town_id, town_action));
return AIObject::DoCommand(::Town::Get(town_id)->xy, town_id, town_action, CMD_DO_TOWN_ACTION);
}
/* static */ AITown::TownRating AITown::GetRating(TownID town_id, AICompany::CompanyID company_id)
{
if (!IsValidTown(town_id)) return TOWN_RATING_INVALID;
AICompany::CompanyID company = AICompany::ResolveCompanyID(company_id);
if (company == AICompany::COMPANY_INVALID) return TOWN_RATING_INVALID;
const Town *t = ::Town::Get(town_id);
if (!HasBit(t->have_ratings, company)) return TOWN_RATING_NONE;
return max(TOWN_RATING_APPALLING, (TownRating)((t->ratings[company] / 200) + 3));
}
/* static */ int AITown::GetAllowedNoise(TownID town_id)
{
if (!IsValidTown(town_id)) return -1;
const Town *t = ::Town::Get(town_id);
if (_settings_game.economy.station_noise_level) {
return t->MaxTownNoise() - t->noise_reached;
}
int num = 0;
const Station *st;
FOR_ALL_STATIONS(st) {
if (st->town == t && (st->facilities & FACIL_AIRPORT) && st->airport_type != AT_OILRIG) num++;
}
return max(0, 2 - num);
}
/* static */ AITown::RoadLayout AITown::GetRoadLayout(TownID town_id)
{
if (!IsValidTown(town_id)) return ROAD_LAYOUT_INVALID;
return (AITown::RoadLayout)((TownLayout)::Town::Get(town_id)->layout);
}
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